19802804

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8521}}^1$

素因数の和:8615

約数の個数: 24

約数和(自身を含む): 40087488

約数和(自身を除く): 20284684

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8521, 17042, 34084, 59647, 119294, 238588, 707243, 1414486, 2828972, 4950701, 9901402, 19802804]

約数ペア:

[(1, 19802804), (2, 9901402), (4, 4950701), (7, 2828972), (14, 1414486), (28, 707243), (83, 238588), (166, 119294), (332, 59647), (581, 34084), (1162, 17042), (2324, 8521)]